diff --git a/package.json b/package.json
index 144d692..cd86fd8 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "argparse": "^2.0.1",
-    "branca": "^0.4.0",
+    "branca": "^0.5.0",
     "fernet": "^0.4.0",
     "js-yaml": "^4.1.0",
     "pkginfo": "^0.4.1",
diff --git a/yarn.lock b/yarn.lock
index 327ffd3..f90b523 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -356,12 +356,10 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
-base-x@^3.0.2:
-  version "3.0.9"
-  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.9.tgz#6349aaabb58526332de9f60995e548a53fe21320"
-  integrity sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==
-  dependencies:
-    safe-buffer "^5.0.1"
+base-x@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-4.0.0.tgz#d0e3b7753450c73f8ad2389b5c018a4af7b2224a"
+  integrity sha512-FuwxlW4H5kh37X/oW59pwTzzTKRzfrrQwhmyspRM7swOEZcHtDZSCt45U6oKgtuFE+WYPblePMVIPR4RZrh/hw==
 
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
@@ -390,12 +388,12 @@ braces@~3.0.2:
   dependencies:
     fill-range "^7.0.1"
 
-branca@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/branca/-/branca-0.4.0.tgz#d912154c17c3ebc1ab0419d240e367f705eae217"
-  integrity sha512-KX1CoqtfTtM4MzKjKWmganb5Yq+qdfAEskivQ5q42jdFMCOvK9aJbXKVlhuhr14wp8lrWHGXPxtDLJD4l6UlCg==
+branca@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/branca/-/branca-0.5.0.tgz#923bf2eaa7d83d76221dd2f50e3c7d53ddd3dc66"
+  integrity sha512-+pFdcuMULjnmiH5PMrKEzVtYkPMIEFVwZD4whEPTZ1d90GXPVKjeAN3JfZwq3AFB5CJvz+jCOzxEtNvyUj74iQ==
   dependencies:
-    base-x "^3.0.2"
+    base-x "^4.0.0"
     bufferpack "^0.0.6"
     libsodium-wrappers "^0.5.2"